Found 14 бирж where Portal to Bitcoin is traded for USDT. According to the data on 4 June the most optimal price to exchange PTB for USDT is ₮0 for 1 Portal to Bitcoin. This rate is fixed at Digifinex at the maximum trading volume of the pair PTB/USDT - 375.6 ths. USDT.
Selling and buying Portal to Bitcoin (PTB) for Tether
To buy Portal to Bitcoin, use the table above.
The maximum daily trading volume is observed in the PTB/USDT trading pair at Digifinex and reaches ₮ 375,550.54 (0.0192% of the exchange's total trading volumes) at the price ₮ 0 per 1 PTB.
The minimum price to buy PTB for USDT is 0 - on the exchange BitKan.